133133012121 has 8 divisors (see below), whose sum is σ = 177538888800. Its totient is φ = 88741238432.

The previous prime is 133133012093. The next prime is 133133012147. The reversal of 133133012121 is 121210331331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133133012121 - 2¹⁰ = 133133011097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133133012191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3503700 + ... + 3541493.

It is an arithmetic number, because the mean of its divisors is an integer number (22192361100).

Almost surely, 2^133133012121 is an apocalyptic number.

It is an amenable number.

133133012121 is a deficient number, since it is larger than the sum of its proper divisors (44405876679).

133133012121 is an equidigital number, since it uses as much as digits as its factorization.

133133012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7051495.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 133133012121 its reverse (121210331331), we get a palindrome (254343343452).

The spelling of 133133012121 in words is "one hundred thirty-three billion, one hundred thirty-three million, twelve thousand, one hundred twenty-one".